If aroma is the overture of the coffee, then finish is the resonant silence at the end of the piece. Finish is a term relatively recently brought over into coffee tasting from wine connoisseurship. It describes the immediate sensation after the coffee is spit out or swallowed. Some coffees develop in the finish — they change in pleasurable ways. All three of the sample coffees I recommend should develop in the finish. I would predict that the pungent tones of the Sumatra may soften toward cocoa or chocolate in the finish, and the dry wine or berry tones of the Kenya turn sweeter and fruitier.